Vieil-Hesdin (French pronunciation: [vjɛj edɛ̃]; Dutch: Oud-Heusden) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

[3] Vieil-Hesdin is situated 6 kilometres southeast of Hesdin, on the banks of the river Canche on the D 340 highway.

From 1471 until its destruction in 1553, it suffered many sieges and sackings, as a result of fighting between the Kings of France, the Holy Roman Empire, Henry VIII of England and several French nobles.

The end of Hesdin, as it was then known, came at the hands of Charles V. His 60,000 strong army had already ravaged Metz and razed Thérouanne in April 1553 and he ordered the city and the castle completely destroyed.

Some months later, the demolition material was used to found a new city 6 kilometres downstream, at a village then called Maisnil.